
Tapping Torque
Description of products
Tapping Torque Equation for Forming Taps
Based on the tensile strength of workpiece material, we prepare following equation to obtain tapping torque of standard formig taps.
Condition : Effective length of internal screw is 1.5D. Thread height is 75%.
Deforming resistance
Tapping Torque Equation for Forming Taps Workpiece Materials
(N/mm2)
General Structure Steels, Low Carbon Steels 750~850
Medium Carbon Steels, Alloy Steels 1150~1350
Stainless Steels 1100~1300
T : Tapping Torque (N-m) Wrought Aluminum 250~350
Dc : Nominal Diameter of Tap (mm)
P : Pitch (mm) Aluminum Die Castings 380~530
Kf : Deforming resistance (N/mm2)
Coppers, Wrought Copper Alloys 750~1050
Information
Technical
Technical-8
779